Home / 778,411.10-1,168,005.45-441,710.30

Finding the Fourth Proportional to 778,411.10, 1,168,005.45 and 441,710.30

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Solution

The fourth proportional to 778,411.10, 1,168,005.45 and 441,710.30 is: 662,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,411.10 : 1,168,005.45 = 441,710.30 : x
  2. Step 2: Convert to fraction form
    778,411.10/1,168,005.45 = 441,710.30/x
  3. Step 3: Cross multiply
    778,411.10x = 1,168,005.45 × 441,710.30
  4. Step 4: Simplify right side
    778,411.10x = 515,920,037,721.14
  5. Step 5: Solve for x
    x = 515,920,037,721.14/778,411.10
  6. Step 6: Final answer
    x = 662,786.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.